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TUNE WITH DIFF OILS
Finding the right fluids to go fast The differentials work hard on every lap—you can see this Durango's front diff getting a workout here. Choosing the right diff oils can dramatically improve handling. Three-differential drivetrains are more popular than ever. Once used exclusively by 1/8-scale buggies, rugged gear-diff systems have trickled down to 4×4 short-course trucks and other 1/10-scale machines. In addition to coping better with high power output, the ability to tune diff action...
PARDON THE INTERRUPTION
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